TCS Placement: Sample Questions 464 - 465 of 502

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Question 464

Write in Short Short Answer▾

Fill the missing terms of series.

3,8, ________, 24, ________, 48,63

Edit

Explanation

  • First term of the series is 3.
  • Second term of the series is 8, i.e.. Difference between first and second term is
  • Third term needs to be find out.
  • Fourth term of the series is 24.
  • Fifth term needs to be find out.
  • Sixth term of the series is 48.
  • Seventh term of the series is 63, i.e.. Difference between sixth and seventh term is
  • Here, difference between two consecutive terms is odd numbers.
  • Difference between second and third term will be 7, which is next odd number after 5, i.e.. third term will be
  • Difference between third and fourth term is now 9, i.e..
  • Difference between fourth and fifth term will be 11, which is next odd number after 9, i.e.. fifth term will be
  • Missing terms are 15 and 35.

Question 465

Question MCQ▾

Anand finishes a work in 7 days; Bittu finishes the same job in 8 days and Chandu in 6 days. They take turns to finish the work. Anand on the first day, Bittu on the second and Chandu on the third day and then Anand again and so on. On which day will the work get over?

Choices

Choice (4)

a.

9th

b.

6th

c.

3rd

d.

7th

Edit

Answer

d.

Explanation

  • Anand finishes work in 7 days, Bittu finishes in 8 days and Chandu finishes it in 6 days.
  • Anand works on first day, Bittu works on second day and Chandu works on third day.
  • In three days, they complete amount of work.

  • Yet work is remaining.
  • In six days they will complete work.
  • Yet work is remaining.
  • On seventh day Anand can work amount of work.
  • So, we can say that on seventh day, work will get over.